An Air Column,open at One End and Closed at the Other,is

question 21

Multiple Choice

An air column,open at one end and closed at the other,is being designed so that its second lowest resonant frequency is 440 Hz.What should be the length of the column if the speed of sound in air is 340 m/s?

• A) 0.386 m
• B) 0.772 m
• C) 1.16 m
• D) 0.193 m
• E) 0.580 m

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